Secretsofthegemtrade.com
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- Title
- Home - Secrets of the Gem Trade
- Meta Description
- Secrets of the gem trade; the connoisseur's guide to precious gemstones by Richard W. Wise, secrets of connoisseurship
- Meta Keywords
- jewelry book, Gemstones book, Precious jewelry, Gemology books, Gemmology books, Gem quality, Gemstone quality, Gemstone grading, Gem grading, Gem connoisseurship, Gemstone connoisseurship, Ruby quality, Sapphire quality, Moonstone quality, Pearl quality
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